Return of Grey Wolf is a 1926 silent film action adventure produced by William Steiner and released by an independent company, Ambassador. It stars a dog named 'Leader' and can be found on DVD from Grapevine Video.
Cast
Leader the Dog - Grey Wolf (aka Long Tail) James Pierce - Louis LaRue Helen Lynch - Jean St. Claire Walter Shumway - Gaston Pacot Edward Coxen - Charles Hendrickson, Owner of Trading Post Lionel Belmore - Jacques St. Claire Whitehorse - Abe Hawkins